| Lein Investering AS | | 2024 |
| Leirangergaten 31 AS | Real estate | 2011 |
| Leivdal Sindre Holding AS | | 2026 |
| Lekehuset Bergen AS | Wholesale & retail | 2019 |
| Leketøyhuset AS | Financial services | 1998 |
| Lekk AS | Arts & recreation | 2020 |
| Leman Transport AS | Transport & logistics | 2023 |
| Lena Invest AS | Transport & logistics | 1999 |
| Lenning Holding AS | | 2025 |
| Lenvayo AS | Professional & scientific | 2024 |
| Leo Capital AS | Financial services | 2009 |
| Leo Fish AS | Wholesale & retail | 2009 |
| Leo Norway AS | Real estate | 2009 |
| Leonard Asbjørnsen Holding AS | | 2022 |
| Leppen AS | Financial services | 2005 |
| Lerkeveien Boliglag AS | Households | 1955 |
| Lervig Maritim Næring II AS | Construction | 2010 |
| Lerøen Holding AS | | 2019 |
| Lerøy Havbruk Service AS | Transport & logistics | 2023 |
| Lerøy Ocean Harvest AS | Agriculture & fishing | 2018 |
| Lerøy Seafood AS | Wholesale & retail | 1939 |
| Lerøy Seafood Group ASA | Agriculture & fishing | 1995 |
| Lerøy Vann Og Avløp AS | Real estate | 2016 |
| Lerøy Årskog AS | Manufacturing | 2011 |
| Les Bones Dones AS | Information & communication | 2023 |
| Letspixel AS | Information & communication | 2016 |
| Lett Bolig AS | Real estate | 2025 |
| Lett Frem AS | Information & communication | 2015 |
| Lev 1 AS | Hospitality | 2024 |
| Lev Collection AS | Hospitality | 2022 |
| Lev Property AS | Real estate | 2023 |
| Lex Talionis 2 AS | Real estate | 2013 |
| Lexicon AS | Professional & scientific | 2021 |
| LG Elektro AS | Wholesale & retail | 1989 |
| LH2 Connect AS | Professional & scientific | 2024 |
| LH2 Holding AS | Professional & scientific | 2024 |
| LH2 Maritime AS | Transport & logistics | 2026 |
| LH2 Shipping AS | Professional & scientific | 2023 |
| Li's Familie AS | Hospitality | 2011 |
| Liakroken Terrasse AS | Real estate | 2015 |
| Liam Invest AS | Real estate | 2019 |
| Liamyrane 5 AS | Real estate | 2019 |
| Liavannet Panorama AS | Real estate | 2018 |
| Libelle Design AS | Professional & scientific | 2023 |
| Liberty Holding AS | | 2022 |
| Lid Revisjon & Rådgivning AS | Professional & scientific | 2026 |
| Lie Markhus Holding AS | | 2024 |
| Lien 8G AS | Real estate | 2025 |
| Lien 9 AS | Real estate | 2025 |
| Lien Startups AS | | 2019 |
| Lienergy Consulting AS | Professional & scientific | 2026 |
| Liens Holding AS | Administrative & support | 2016 |
| Liessem Microelectronics AS | Health & social care | 2015 |
| Life Beat Norge AS | Health & social care | 2012 |
| Life You Love AS | Education | 2024 |
| Lifekeys AS | Health & social care | 2017 |
| Lifetime Holding AS | Wholesale & retail | 2005 |
| Lifjellkraft AS | Energy | 2005 |
| Lighthouse Invest AS | Financial services | 2006 |
| Ligningssentralen AS | Professional & scientific | 2011 |
| Lija Holding AS | Real estate | 2016 |
| Lil Group AS | Arts & recreation | 2023 |
| Lille AS | Hospitality | 2013 |
| Lille Lyderen AS | Real estate | 2022 |
| Lille Mote AS | Wholesale & retail | 2016 |
| Lille Øvregate 17 AS | Real estate | 2026 |
| Lille Øvregate 17-19 AS | Real estate | 2016 |
| Lille Øvregate 30 AS | Real estate | 2005 |
| Lille Øvregaten 6 AS | Real estate | 2021 |
| Lillestrøm Torv AS | Real estate | 1996 |
| Lilletuneveien 6A AS | Real estate | 2025 |
| Lilletvedt Holding AS | | 2023 |
| Lima Personell AS | | 2011 |
| Lina Taule Fjørtoft Scenekunst AS | Arts & recreation | 2024 |
| Lincvest AS | Professional & scientific | 2013 |
| Lind AS | Professional & scientific | 2006 |
| Lind Sport | Education | 2013 |
| Lindeallèen Invest AS | Real estate | 2012 |
| Lindh AS | Real estate | 2004 |
| Lindhaugen Utleie AS | Real estate | 2020 |
| Lindmo Holding AS | | 2019 |
| Lindqvist AS | Manufacturing | 1998 |
| Lindtner Holding AS | | 2025 |
| Lindus AS | Real estate | 2009 |
| Lindvik Holding AS | | 2023 |
| Lindås Nærsenter AS | Real estate | 1994 |
| Lindåstunet AS | Real estate | 2022 |
| Lindåsvegen 145 AS | Real estate | 2020 |
| Lingalaks Sjømat AS | Agriculture & fishing | 2022 |
| Linjer Holding AS | Professional & scientific | 2022 |
| Link Bergen AS | Real estate | 2019 |
| Link Performance Group AS | | 2017 |
| Link Utvikling AS | Information & communication | 2018 |
| Linklater AS | Information & communication | 2022 |
| Linn-Cathrin Almeland AS | Health & social care | 2026 |
| Linncalys AS | Professional & scientific | 2025 |
| Linri Holding AS | | 2025 |
| Lion Cafe AS | Hospitality | 2025 |
| Liseth Solutions AS | Information & communication | 2020 |
| List Og Lempe AS | | 2024 |